An election to the 57th Parliament of the United Kingdom for the constituency area of Vale Of Glamorgan, held as part of the general election on 8 June 2017.
Conservative hold by Alun Cairns with a majority of 2,190 - 4.1% - on a turnout of 72.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CAIRNS, Alun | Con | 25,501 | 47.5% | 1.4% |
| BEAVEN, Camilla | Lab | 23,311 | 43.4% | 10.8% |
| JOHNSON, Ian | PC | 2,295 | 4.3% | -1.3% |
| GERONI, Jennifer | LD | 1,020 | 1.9% | -0.7% |
| HUNTER-CLARKE, Melanie | UKIP | 868 | 1.6% | -9.1% |
| DAVIS-BARKER, Stephen | Green | 419 | 0.8% | -1.3% |
| LOVELL, Sharon | WEP | 177 | 0.3% | - |
| ELSTON, David | Prte | 127 | 0.2% | - |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 73,959, having a valid vote count of 53,718 and an invalid vote count of 63.
Result declared at 02:04 on 9 June 2017.